[单选题]
If the accuracy in meytdoas+j x df .qa+b6yzff;29942 e qzasuring the velocity of a paa7j;z:6ki *dbkk:lh rrticle increases, the accuracy in m*k7 r:h ikdlkaz; j:b6easuring its position will
A. increase.
B. decrease.
C. remain the same.
D. be uncertain.